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Finding the Third Proportional to 19,477 and 29,181

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Solution

The third proportional to 19,477 and 29,181 is: 43,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477 : 29,181 = 29,181 : x
  2. Step 2: Convert to fraction form
    19,477/29,181 = 29,181/x
  3. Step 3: Cross multiply
    19,477x = 29,181 × 29,181
  4. Step 4: Simplify right side
    19,477x = 851,530,761
  5. Step 5: Solve for x
    x = 851,530,761/19,477
  6. Step 6: Final answer
    x = 43,719.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.